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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Current Assets:    
Accounts receivable, allowance for doubtful accounts $ 42 $ 42
Shareholders’ Equity:    
Common shares, shares authorized 480,000,000 480,000,000
Common shares, shares issued 123,767,680 126,773,097
Common shares, shares outstanding 123,767,680 126,773,097